CVE-2026-86303: Out-of-Bounds Read in 92181 markdown
Description
CVE-2026-86303 is a medium severity vulnerability in the 92181 markdown project affecting the function lds in the md.c file. It allows a remote attacker to cause an out-of-bounds read through crafted input. The product uses a rolling release model, so exact affected versions are not specified. A patch identified by commit c000d2f9cf390c315378d3717cf20911cf3e80a6 is available to remediate the issue.
CVSS v4.0
Score 6.9medium
Affected software
92181
markdown
cpe:2.3:a:92181:markdown:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the lds function of the md.c file in the 92181 markdown project. The flaw can be triggered remotely by manipulating input, potentially leading to reading memory outside the intended bounds. The project follows a rolling release model, so specific version numbers for affected or fixed releases are not provided. The issue has been addressed by a patch referenced by commit c000d2f9cf390c315378d3717cf20911cf3e80a6.
Potential Impact
An attacker can remotely cause an out-of-bounds read, which may lead to information disclosure or application instability. The CVSS 4.0 base score is 6.9 (medium severity), reflecting network attack vector, low complexity, no privileges or user interaction required, and limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Apply the patch identified by commit c000d2f9cf390c315378d3717cf20911cf3e80a6 to remediate the vulnerability. Since the project uses a rolling release, ensure your installation is updated to include this fix. No other vendor advisory details are available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-06T16:49:26.072Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9eb02facd9273b499cf46f
Added to database: 09/07/2026, 12:38:07 UTC
Last enriched: 09/15/2026, 01:13:03 UTC
Last updated: 10/22/2026, 01:15:26 UTC
Views: 84
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.